| 发明名称 |
SENSING REGION CORRECTION FOR CAR SENSOR OF ULTRASONIC TYPE |
| 摘要 |
PURPOSE:To correct the object sensing region, while making unnecessary the control of a road and shift of a quasi-reflecting pole, by using an attenuator between an ultrasonic head and the body of the sensor to adjust the receiving gain of the body in accordance with the caracteristics of the sensing region-road reflecting level. |
| 申请公布号 |
JPS53145659(A) |
申请公布日期 |
1978.12.19 |
| 申请号 |
JP19770061520 |
申请日期 |
1977.05.25 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD;KENSETSUSHO DOBOKU KENKYU |
发明人 |
FUJITA DAIJI;NOGUCHI TADASHI;KADOWAKI TAKAO;KOUNO TATSUO;MORIZAKI KAZUHIRO |
| 分类号 |
G01S15/88;G01V1/00;G08G1/04;G08G1/048 |
主分类号 |
G01S15/88 |
| 代理机构 |
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